[VBprogrammer]

On a related subject. I accidentally mis-configured remote desktop on Ubuntu, I selected the 'configure network to automatically accept connections' which uses uPnP to open a port on your router (poorly named I think).

Someone ran a port scan on my IP and noticed port 5900 was open and decided to connect to it, I had my computer configured to automatically accept connections (because I use the iPhone VNC client as a remote control), I was quite glad I was using my computer at the time and noticed them connecting!

My first reaction was to run NMAP against there IP, I guess thats probably a bad move!